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Page 4767, results 119151 - 119175

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Ground-water levels in Alaska, water year 1984
P.J. Still, J.O. Brunett
1987, Open-File Report 87-230
Data on groundwater levels in Alaska for the 1984 water yr have been compiled in the second of a planned series of reports. The report summarizes data from a network of observation wells, throughout the State, at which water levels are either recorded continuously or measured intermittently. For wells at...
Effect of Niagara power project on ground-water flow in the upper part of the Lockport Dolomite, Niagara Falls area, New York
Todd S. Miller, W. M. Kappel
1987, Water-Resources Investigations Report 86-4130
The Niagara River Power Project near Niagara Falls, N.Y., has created recharge and discharge areas that have modified the direction of groundwater flow east and northeast of the falls. Before construction of the power project in 1962, the configuration of the potentiometric surface in the upper part of the Silurian...
Climatic data for Williams Lake, Hubbard County, Minnesota, 1985
A.M. Sturrock, D.O. Rosenberry, T. C. Winter
1987, Open-File Report 86-607
Research on the hydrology of Williams Lake, north-central Minnesota includes study of evaporation. Presented here are those climatic data needed for energy-budget and mass-transfer studies, including: water-surface temperature, dry-bulb and wet-bulb air temperatures, wind speed, precipitation, and solar and atmospheric radiation. Data are collected at raft and land stations....
Hydrogeology, degradation of ground-water quality, and simulation of infiltration from the Delaware River into the Potomac aquifers, northern Delaware
S.W. Phillips
1987, Water-Resources Investigations Report 87-4185
Brackish water is infiltrating from the Delaware River into the underlying Potomac aquifers in the Cretaceous Potomac Formation in northern Delaware. Evidence that infiltration at the river is actually occurring includes chloride concentrations in the aquifers that are above ambient levels and chemical characteristics of groundwater and river water that...
Runoff characteristics and washoff loads from rainfall-simulation experiments on a street surface and a native pasture in the Denver metropolitan area, Colorado
Martha H. Mustard, Sherman R. Ellis, Johnnie W. Gibbs
1987, Professional Paper 1441
Rainfall simulation studies were conducted in conjunction with the Denver Regional Urban Runoff Program to: (1) Compare runoff quantity and quality from two different intensities of rainfall on impervious plots having identical antecedent conditions, (2) document a first flush of constituent loads in runoff from l,000-square-foot street-surface plots, (3) compare...
Late Mississippian gastropods of the Chainman Shale, west-central Utah
Mackenzie Gordon Jr., Ellis L. Yochelson
1987, Professional Paper 1368
The Chainman Shale of Mississippian (Osagean to late Chesterian) age, well exposed in the Confusion Range of western Utah, has yielded a profusion of fossils during investigations conducted by the U.S. Geological Survey in the past 30 years. Conspicuous among these fossils are gastropods, which range in age from latest...
Data on ground-water quality for the Lovelock 1° x 2° quadrangle, western Nevada
Alan H. Welch, Rhea P. Williams
1987, Open-File Report 85-648-F
Water quality data for groundwater has been compiled for the Lovelock 1 degree x 2 degree quadrangle which covers a portion of western Nevada. Chemical characteristics of the water are shown on a map (at a scale of 1:250,000) and on trilinear diagrams for the major ions. The data for...